Plus One - Maths - Trigonometric Functions | Xylem Plus One
Xylem Plus One・2 minutes read
The text explains angles in degrees and radians, relating a circle to 360 degrees and 2 radians. It also covers trigonometric functions and formulas for calculating sine and cosine values, along with trigonometric identities for angle sums.
Insights
- A circle is divided into 360 equal parts, with each part measuring 1 degree, and the relationship between degrees and radians is established, with 1 radian equating to 180 degrees.
- The text explores trigonometric functions like sine, cosine, and tangent, providing definitions and relationships, alongside formulas for determining the maximum and minimum values of sine and cosine functions, as well as trigonometric identities for sum and difference of angles.
Get key ideas from YouTube videos. It’s free
Recent questions
What are the basic units for measuring angles?
Degrees and radians
How is the movement of a watch's minute hand explained?
In relation to angles and time
What are some common trigonometric functions?
Sine, cosine, tangent
How are degrees and radians related?
360 degrees = 2 radians, 180 degrees = π radians
What formulas are used to calculate trigonometric values?
Maximum, minimum values, sum, difference of angles
Related videos
The Organic Chemistry Tutor
Circles In Geometry, Basic Introduction - Circumference, Area, Arc Length, Inscribed Angles & Chords
GREEN Board
Class - 10, Chapter 8 (Introduction to Trigonometry) Maths By Green Board CBSE, NCERT, KVS
The Organic Chemistry Tutor
Circles, Angle Measures, Arcs, Central & Inscribed Angles, Tangents, Secants & Chords - Geometry
The Organic Chemistry Tutor
30-60-90 Triangles - Special Right Triangle Trigonometry
JONATHAN WEBB
Geometry: Semester 2 Final Study Guide
Summary
00:00
Understanding Angles and Trigonometry Basics
- The text discusses the concept of angles and measurements, focusing on degrees and radians.
- It explains that a circle is divided into 360 equal parts, with each part measuring 1 degree.
- The relationship between degrees and radians is highlighted, with 1 radian equaling 180 degrees.
- Important relations are discussed, such as 360 degrees being equal to 2 radians and 180 degrees being equal to π radians.
- The text delves into the movement of the minute hand of a watch, explaining how far it moves in a given time frame.
- It covers trigonometric functions like sine, cosine, and tangent, detailing their definitions and relationships.
- The text concludes with formulas for calculating the maximum and minimum values of sine and cosine functions, as well as trigonometric identities for sum and difference of angles.
